Improvement in trays



- A. NlTTIN GER, .Ir.

Trays.

Patented .lan. 27,1874.

`WlT'NESSES AUGUST NITTINGER, JR., OF PHILADELPHIA, PENNSYLVANIA.

IMFROVEMENT IN TRAYS.

Specification Forming paut of Letters Patent No. 146,777, dated January27, 1874; applicaiion filul August 22, 1873. 4

To all whom tt may concern: v

Beit known that I AUGUST NITTINGER, J r., of the city and county ofPhiladelphia and State of Pennsylvania, have invented an Iinproveinentin Trays, of which the following is a specification The inventionconsists of a rib or fender raised around the edges of a tray to protectthe edges of the porcelain or enamel lining frombeing fractured, whichwould admit (lampness or Inoisture between the tray and lining,. andoxidize the iron of the tray, and thereby loosen and destroy the saidporcelain lining.

Figure 1 is a perspective View of a tray en1- bodying the invention.Fig. 2 is a sectional View' of one end of a tray.

Ais a tray. Around its upper edges is a raised rib, b, against which theenamel or porcelainc takes. It is designed to protect the porcelain fromgetting chipped or cracked', and thus expose the seain between it andthe metal of the tray, which would admit moisture in the sealn, wherebythe porcelain lining In testiinony Whereof I hereunto sign my nanie inpresence of two subscribing witnesses.

AUGUST NITTINGER, JR.

` witnesses: y

FRANCIS D. PASTORIUS, SAMUEL NITTINGER.

